[1] The Conthey district was created as the 13th district of the Valais as the canton joined the restored Swiss Confederacy in 1815, accounting for the thirteen stars in the coat of arms of Valais.

[1] Most of the population (as of 2000[update]) speaks French (18,197 or 90.6%) as their first language, German is the second most common (533 or 2.7%) and Portuguese is the third (485 or 2.4%).

[4][6] The historical population is given in the following chart:[7] In the 2007 federal election the most popular party was the CVP which received 36.42% of the vote.

In the federal election, a total of 9,538 votes were cast, and the voter turnout was 63.0%.

[9] In the 2007 Swiss Council of States election a total of 9,418 votes were cast, of which 609 or about 6.5% were invalid.

[10] From the 2000 census[update], 16,802 or 83.6% were Roman Catholic, while 856 or 4.3% belonged to the Swiss Reformed Church.